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Table 3 The parameters of biofilms formed by the R. leguminosarum bv. trifolii wild type and Rt2472 rosR mutant.

From: Rhizobium leguminosarum bv. trifolii rosR is required for interaction with clover, biofilm formation and adaptation to the environment

Strain Ratio of live/dead cells Depth of biofilm (μm) Area covered by biofilm (%) Fractal dimension (scalar units) Outline (×103) (μm)
Rt24.2 51.06 ± 6.12 47.33 ± 1.15 87.57 ± 6.36 1.425 ± 0.05 109.25 ± 5.9
Rt2472 27.53 ± 4.57† 25.66 ± 1.52† 50.17 ± 5.08† 1.325 ± 0.14 69.71 ± 1.2†
Rt2472(pRC24) 71.86 ± 3.07 54.26 ± 3.94 88.82 ± 8.78 1.417 ± 0.06 113.57 ± 10.8
  1. † Difference between the wild type and the rosR mutant is statistically significant at P < 0.05 (Student's t test).